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GENE AND PROTEIN SUMMARY

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Gene name

FGB

Description

fibrinogen beta chain

Protein class

Candidate cancer biomarkers, Candidate cardiovascular disease genes, Mapped to UniProt SWISS-PROT, Plasma proteins, Potential transmembrane proteins, Potentially secreted proteins

Protein evidence

High

Entrez gene summary

The protein encoded by this gene is the beta component of fibrinogen, a blood-borne glycoprotein comprised of three pairs of nonidentical polypeptide chains. Following vascular injury, fibrinogen is cleaved by thrombin to form fibrin which is the most abundant component of blood clots. In addition, various cleavage products of fibrinogen and fibrin regulate cell adhesion and spreading, display vasoconstrictor and chemotactic activities, and are mitogens for several cell types. Mutations in this gene lead to several disorders, including afibrinogenemia, dysfibrinogenemia, hypodysfibrinogenemia and thrombotic tendency. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

3 in total
0 with predicted TM region
2 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Plasma membrane, Cytoplasm

Additional location(s)

 

Staining summary

Localized to plasma membrane and cytoplasm.

Reliability (APE)

Low

Antibodies in assay

HPA001900, CAB008624
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Strong positivity in plasma and extracellular compartments in most tissues. Moderate cytoplasmic expression in hepatocytes.

Tissue specificity

Expressed in 39 out of 82 cell types

Reliability (APE)

High

Antibodies in assay

HPA001900, HPA001901, CAB008624
 

Organ

No of cell types

Protein expression

CNS (brain) 11
Hematopoietic (blood) 8
Liver and pancreas 5
Digestive (GI-tract) 13
Respiratory (lung) 4
Cardiovascular 1
Female tissues 13
Placenta 2
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 14
Endocrine tissues 3

Level of annotated protein expression





High
Medium
Low
None

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 42% of the cancers

Antibodies in assay

HPA001900, HPA001901, CAB008624
 

Tissue

Cancer staining

Protein
expression of
normal tissue

Breast cancer
 
Carcinoid
 
Cervical cancer
 
 
Colorectal cancer
 
 
Endometrial cancer
 
 
Glioma
 
Head and neck cancer
 
 
Liver cancer
 
 
Lung cancer
 
 
Lymphoma
 
 
 

Tissue

Cancer staining

Protein
expression of
normal tissue

Melanoma
 
Ovarian cancer
 
Pancreatic cancer
 
Prostate cancer
 
Renal cancer
 
Skin cancer
 
Stomach cancer
 
 
Testis cancer
 
Thyroid cancer
 
Urothelial cancer
 

Level of antibody staining





Strong
Moderate
Weak
Negative

CELL LINE SUMMARY

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RNA evidence

High
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

HPA001900

HPA001901

CAB008624

HPA001900

CAB008624

A-431 Skin Not detected
ModerateNegative
A-549 Lung Medium
CACO-2 Colon Medium

-

HEK 293 Embryonal kidney Not detected
HeLa Cervix Not detected
Hep-G2 Liver High
MCF-7 Pleural effusion Low
PC-3 Bone marrow Not detected
RT-4 Urinary bladder Low

-

U-2 OS Bone Low
StrongNegative
U-251 MG Brain Not detected
StrongNegative

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA001900 pAb
HPA001901 pAb
CAB008624 mAb